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本帖最后由 zhutongshuai 于 2011-12-24 12:33 编辑
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0 ?7 N9 o) _9 z! k+ cCTL-OP 109 Laboratory Procedure For Acceptance of Thermocouple Wire& f: h" e) m/ ?9 B, ?6 [+ A' |. y; k. E
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PROCEDURES# A) t, f* r3 \: J2 \3 e2 _
4.1 Thermocouples shall be prepared by staff trained in preparation of thermocouples.
8 b9 ~) A4 c! s: N4.2 Thermocouples are to be prepared as noted:
" [) y! x* p/ J8 L" A8 t! q) k; ^4.2.1 Inner insulation stripped back approximately 1.5 mm from tip.
8 X, w4 Z1 l' a# V5 X% D4 i* M4.2.2 Outer insulation, if any, stripped back approximately 15 mm from tip.- `# ^( B S C9 S! o
4.2.3 The tip is to be joined by a single point weld. Other reliable and consistent methods of joining the thermocouple wires may be used upon prior acceptance of the CTL. # _9 U+ c! P( H* I6 { w
3 d2 [3 M- @ r( N9 }8 m- TNote – Dimensions given are typical, not required.
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